By pruning right after the blooms have faded, you allow the plant time to set buds for the next year. Oakleaf (H. quercifolia) and bigleaf hydrangea (H. macrophylla), including Nikko Blue and all the other pink- and blue-flowering cultivars, bloom from buds set the previous year.
Pruning young shrubs is not as critical as pruning young trees, but take care to use the same principles to encourage good branch structure. Container-grown shrubs require little pruning. When planting deciduous shrubs, thin out branches for good spacing and prune out any broken, diseased or crossing or circling roots. May 10, Prune the hydrangea to reduce its size.
If your hydrangea has grown quite large, you can prune it in June or July (just after the blooming season) to contain it a bit. Trim back the branches by 1/3 to the nearest joint. In most cases hydrangeas will grow back quite quickly, so you may not be able to maintain the smaller size for long%.
Dec 29, The easier method is to cut the plant down to 6” stubs (like Smooth Hydrangea) in fall/winter and let the new growth cover the dead wood once it’s flushed out. Note: the Bigleaf Hydrangea cultivars are notorious for randomly losing the ability to shrubcleanup.buzzted Reading Time: 5 mins.
Bigleaf hydrangeas (Hydrangea macrophylla cvs., USDA Hardiness Zones 6–9) Bigleaf hydrangeas (H. serrata cvs., Z 6–9) Oakleaf hydrangeas (H. quercifolia cvs., Z 5–9) Prune after the flowers start to fade in late summer. To determine if your hydrangea blooms on old wood, think about when it flowers. The timing of pruning for hydrangeas depends on which type of hydrangea you’d like to prune.
Hydrangeas that bloom on old wood should be pruned in summer before they set buds for the following year. Some people say that you can prune these hydrangeas as late as mid-August without affecting next year’s bloom, but it’s best to prune no. Nov 25, Prune in late winter/early spring when your plant is winterized. You can prune limelight hydrangeas at any time of the year, because they are hearty plants.
However, it is easiest to prune them in the late winter or early spring, because all of the leaves will have fallen off and you will be able to see and access the branches shrubcleanup.buzz: 17K. Sep 21, The climbing hydrangea (Hydrangea anomala) is a slow-starting vine that reaches up to 30 feet in length.
While the climbing hydrangea can successfully grow in Minnesota, the roots must be protected with leaves or straw during harsh winter weather. This plant bears heart-shaped leaves and creamy white flowers that bloom in June and July.